:nofollow adds a rel="nofollow" attribute to all links
link_farmers_markup = "ohai! <a href='http://www.myswarmysite.com/'>I like your blog post</a>" Loofah.fragment(link_farmers_markup).scrub!(:nofollow) => "ohai! <a href='http://www.myswarmysite.com/' rel="nofollow">I like your blog post</a>"
Generated with the Darkfish Rdoc Generator 2.